DNS response history for ns4.libsyn.com

ns4.libsyn.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 322 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for ns4.libsyn.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

322 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

199.247.155.53

Most recently resolved hosting IP on selected date

Successful Responses

77

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.libsyn.com

Showing DNS history for 2026-08-15 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
77 2026-08-15 23:56 639224347685767174
56 ms 199.247.155.53
76 2026-08-15 23:41 639224338276675277
10 ms 199.247.155.53
75 2026-08-15 22:48 639224306594546649
2039 ms 199.247.155.53
74 2026-08-15 22:32 639224297145423303
56 ms 199.247.155.53
73 2026-08-15 22:16 639224287678238833
12 ms 199.247.155.53
72 2026-08-15 22:01 639224278490872828
65 ms 199.247.155.53
71 2026-08-15 21:45 639224269149307826
16 ms 199.247.155.53
70 2026-08-15 21:30 639224259868597616
10 ms 199.247.155.53
69 2026-08-15 21:14 639224250518642175
13 ms 199.247.155.53
68 2026-08-15 20:59 639224241064772383
2021 ms 199.247.155.53
67 2026-08-15 20:43 639224231691099605
2033 ms 199.247.155.53
66 2026-08-15 20:27 639224222468168159
72 ms 199.247.155.53
65 2026-08-15 20:12 639224213173899635
51 ms 199.247.155.53
64 2026-08-15 19:57 639224203914451783
48 ms 199.247.155.53
63 2026-08-15 19:03 639224172202542163
30 ms 199.247.155.53
62 2026-08-15 18:49 639224163338654093
11 ms 199.247.155.53
61 2026-08-15 18:33 639224154287995374
81 ms 199.247.155.53
60 2026-08-15 18:18 639224145118612503
30 ms 199.247.155.53
59 2026-08-15 18:03 639224135995990731
15 ms 199.247.155.53
58 2026-08-15 17:48 639224127185332624
2028 ms 199.247.155.53
57 2026-08-15 17:33 639224118229289175
39 ms 199.247.155.53
56 2026-08-15 17:19 639224109273796359
23 ms 199.247.155.53
55 2026-08-15 17:04 639224100490805608
5 ms 199.247.155.53
54 2026-08-15 16:49 639224091353714490
2021 ms 199.247.155.53
53 2026-08-15 16:33 639224082033126828
28 ms 199.247.155.53
52 2026-08-15 16:18 639224072736962403
27 ms 199.247.155.53
51 2026-08-15 15:25 639224041475563754
52 ms 199.247.155.53
50 2026-08-15 15:10 639224032345604453
2015 ms 199.247.155.53
49 2026-08-15 14:55 639224023169497283
12 ms 199.247.155.53
48 2026-08-15 14:39 639224013981146405
2046 ms 199.247.155.53
47 2026-08-15 14:24 639224004883412586
11 ms 199.247.155.53
46 2026-08-15 14:09 639223995612880615
4 ms 199.247.155.53
45 2026-08-15 13:53 639223986271830789
22 ms 199.247.155.53
44 2026-08-15 13:38 639223977005780949
55 ms 199.247.155.53
43 2026-08-15 13:22 639223967653137793
34 ms 199.247.155.53
42 2026-08-15 13:06 639223958286010799
2028 ms 199.247.155.53
41 2026-08-15 12:51 639223948936108345
33 ms 199.247.155.53
40 2026-08-15 12:35 639223939673066880
27 ms 199.247.155.53
39 2026-08-15 11:43 639223908317760530
2024 ms 199.247.155.53
38 2026-08-15 11:28 639223898992594258
2030 ms 199.247.155.53
37 2026-08-15 11:12 639223889761312823
11 ms 199.247.155.53
36 2026-08-15 10:57 639223880359273507
257 ms 199.247.155.53
35 2026-08-15 10:41 639223870920466808
5 ms 199.247.155.53
34 2026-08-15 10:25 639223861579762179
36 ms 199.247.155.53
33 2026-08-15 10:10 639223852238616009
52 ms 199.247.155.53
32 2026-08-15 09:54 639223843019815620
28 ms 199.247.155.53
31 2026-08-15 09:39 639223833669915012
35 ms 199.247.155.53
30 2026-08-15 09:23 639223824494613222
30 ms 199.247.155.53
29 2026-08-15 09:08 639223815116325293
42 ms 199.247.155.53
28 2026-08-15 08:52 639223805493870221
31 ms 199.247.155.53
27 2026-08-15 08:00 639223774218660438
34 ms 199.247.155.53
26 2026-08-15 07:44 639223764663090372
24 ms 199.247.155.53
25 2026-08-15 07:28 639223755338811400
22 ms 199.247.155.53
24 2026-08-15 07:13 639223746019193268
39 ms 199.247.155.53
23 2026-08-15 06:57 639223736658778104
8 ms 199.247.155.53
22 2026-08-15 06:41 639223727330194499
2009 ms 199.247.155.53
21 2026-08-15 06:26 639223717848514742
51 ms 199.247.155.53
20 2026-08-15 06:10 639223708284754056
26 ms 199.247.155.53
19 2026-08-15 05:54 639223699061259933
34 ms 199.247.155.53
18 2026-08-15 05:39 639223689592545140
262 ms 199.247.155.53
17 2026-08-15 05:23 639223680143410810
8 ms 199.247.155.53
16 2026-08-15 05:07 639223670514517104
10 ms 199.247.155.53
15 2026-08-15 04:15 639223638855054294
50 ms 199.247.155.53
14 2026-08-15 03:59 639223629623335972
52 ms 199.247.155.53
13 2026-08-15 03:44 639223620390189495
17 ms 199.247.155.53
12 2026-08-15 03:28 639223610916950440
50 ms 199.247.155.53
11 2026-08-15 03:12 639223601597759168
10 ms 199.247.155.53
10 2026-08-15 02:57 639223592342172093
36 ms 199.247.155.53
9 2026-08-15 02:42 639223583324121497
51 ms 199.247.155.53
8 2026-08-15 02:27 639223574086714218
24 ms 199.247.155.53
7 2026-08-15 02:11 639223564698424889
25 ms 199.247.155.53
6 2026-08-15 01:55 639223555408664206
7 ms 199.247.155.53
5 2026-08-15 01:40 639223546000912416
29 ms 199.247.155.53
4 2026-08-15 01:24 639223536550774847
33 ms 199.247.155.53
3 2026-08-15 00:32 639223505017205611
38 ms 199.247.155.53
2 2026-08-15 00:16 639223495784410207
10 ms 199.247.155.53
1 2026-08-15 00:01 639223486524583054
38 ms 199.247.155.53